Swing, K. 2012. Observations on the distribution and density of the rare and poorly known flower urchin, Toxopneustes roseus, (Phylum Echinodermata, Class Echinoidea, Family Toxopneustidae) in Ecuador. ACI Avances en Ciencias e Ingenierías. 4, 1 (Jun. 2012). DOI:https://doi.org/10.18272/aci.v4i1.79.